<html class="reftest-wait">
<head>

<script>
function boom()
{
  document.body.offsetHeight;

  var lastdiv = document.getElementById("last");
  var parent = lastdiv.parentNode;

  for (var i = 2; i <= 4; i++) {
    var newdiv = document.createElement("div");
    newdiv.appendChild(document.createTextNode(i));
    parent.insertBefore(newdiv, lastdiv);
  }

  document.body.offsetHeight;
  document.documentElement.className = "";
}
</script>

</head>
<body onload="boom();">
<div>1</div>
<div id="last">5</div>
</body>
</html>
